使用flink测试连接flink时报错：处理流运算符时出错， 不知道是不是程序写错了还是mysql有问题

package flink_scala.apitest.sinktest

import java.sql.{Connection, DriverManager, PreparedStatement}

import flink_scala.apitest.SensorReading
import org.apache.flink.configuration.Configuration
import org.apache.flink.streaming.api.functions.sink.{RichSinkFunction, SinkFunction}
import org.apache.flink.streaming.api.scala._

object JdbcSinkTest {
  def main(args: Array[String]): Unit = {
    // 定义流式处理环境
    val env = StreamExecutionEnvironment.getExecutionEnvironment
    // 0.读取数据
    val inputStream = env.readTextFile("C:\\Users\\86182\\IdeaProjects\\flink_scala\\src\\main\\resources\\sensor.txt")


    // 1.先转换成样例类类型（简单转换操作）
    val dataStream = inputStream
      .map( data =>{
        val arr = data.split(",")
        SensorReading(arr(0), arr(1).toLong, arr(2).toDouble)
      } )

    dataStream.addSink( new MyJdbcSinkFunc() )

    env.execute("Jdbc sink test")

  }
}

class MyJdbcSinkFunc() extends RichSinkFunction[SensorReading]{
  // 定义连接、预编译语句
  var conn: Connection = _
  var insertStmt: PreparedStatement = _
  var updateStmt: PreparedStatement = _

  override def open(parameters: Configuration): Unit = {
    conn = DriverManager.getConnection("jdbc:mysql://192.168.10.24:3306/test?useSSL=false", "root", "Password123$")
    insertStmt = conn.prepareStatement("insert into sensor_temp (id, temp) values (?, ?)")
    updateStmt = conn.prepareStatement("update sensor_temp set temp = ? where id = ?")
  }

  override def invoke(value: SensorReading, context: SinkFunction.Context[_]): Unit = {
    // 先执行更新操作，查到就更新
    updateStmt.setDouble(1, value.temperature)
    updateStmt.setString(2, value.id)
    updateStmt.execute()
    // 如果更新没有查到数据，那么就插入
    if( updateStmt.getUpdateCount == 0 ){
      insertStmt.setString(1, value.id)
      insertStmt.setDouble(2, value.temperature)
      insertStmt.execute()
    }
  }

  override def close(): Unit = {
    insertStmt.close()
    updateStmt.close()
    conn.close()
  }
}